Finding the Third Proportional to 728,934 and 1,577,676

Step by Step Solution

1. Step 1: Write the proportion equation
   728,934 : 1,577,676 = 1,577,676 : x
2. Step 2: Convert to fraction form
   728,934/1,577,676 = 1,577,676/x
3. Step 3: Cross multiply
   728,934x = 1,577,676 × 1,577,676
4. Step 4: Simplify right side
   728,934x = 2,489,061,560,976
5. Step 5: Solve for x
   x = 2,489,061,560,976/728,934
6. Step 6: Final answer
   x = 3,414,659.71